Home / 7,362.16-10,160.40-4,219.36

Finding the Fourth Proportional to 7,362.16, 10,160.40 and 4,219.36

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Solution

The fourth proportional to 7,362.16, 10,160.40 and 4,219.36 is: 5,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.16 : 10,160.40 = 4,219.36 : x
  2. Step 2: Convert to fraction form
    7,362.16/10,160.40 = 4,219.36/x
  3. Step 3: Cross multiply
    7,362.16x = 10,160.40 × 4,219.36
  4. Step 4: Simplify right side
    7,362.16x = 42,870,385.34
  5. Step 5: Solve for x
    x = 42,870,385.34/7,362.16
  6. Step 6: Final answer
    x = 5,823.07

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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.