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Finding the Fourth Proportional to 7,362.95, 10,161.14 and 4,219.74

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Solution

The fourth proportional to 7,362.95, 10,161.14 and 4,219.74 is: 5,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.95 : 10,161.14 = 4,219.74 : x
  2. Step 2: Convert to fraction form
    7,362.95/10,161.14 = 4,219.74/x
  3. Step 3: Cross multiply
    7,362.95x = 10,161.14 × 4,219.74
  4. Step 4: Simplify right side
    7,362.95x = 42,877,368.90
  5. Step 5: Solve for x
    x = 42,877,368.90/7,362.95
  6. Step 6: Final answer
    x = 5,823.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.