Home / 7,030.66-9,701.95-3,886.24

Finding the Fourth Proportional to 7,030.66, 9,701.95 and 3,886.24

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Solution

The fourth proportional to 7,030.66, 9,701.95 and 3,886.24 is: 5,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.66 : 9,701.95 = 3,886.24 : x
  2. Step 2: Convert to fraction form
    7,030.66/9,701.95 = 3,886.24/x
  3. Step 3: Cross multiply
    7,030.66x = 9,701.95 × 3,886.24
  4. Step 4: Simplify right side
    7,030.66x = 37,704,106.17
  5. Step 5: Solve for x
    x = 37,704,106.17/7,030.66
  6. Step 6: Final answer
    x = 5,362.81

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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.