Home / 7,480.17-10,323.59-4,689.45

Finding the Fourth Proportional to 7,480.17, 10,323.59 and 4,689.45

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Solution

The fourth proportional to 7,480.17, 10,323.59 and 4,689.45 is: 6,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.17 : 10,323.59 = 4,689.45 : x
  2. Step 2: Convert to fraction form
    7,480.17/10,323.59 = 4,689.45/x
  3. Step 3: Cross multiply
    7,480.17x = 10,323.59 × 4,689.45
  4. Step 4: Simplify right side
    7,480.17x = 48,411,935.68
  5. Step 5: Solve for x
    x = 48,411,935.68/7,480.17
  6. Step 6: Final answer
    x = 6,472.04

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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.