Home / 7,455.47-10,288.53-4,098.49

Finding the Fourth Proportional to 7,455.47, 10,288.53 and 4,098.49

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Solution

The fourth proportional to 7,455.47, 10,288.53 and 4,098.49 is: 5,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.47 : 10,288.53 = 4,098.49 : x
  2. Step 2: Convert to fraction form
    7,455.47/10,288.53 = 4,098.49/x
  3. Step 3: Cross multiply
    7,455.47x = 10,288.53 × 4,098.49
  4. Step 4: Simplify right side
    7,455.47x = 42,167,411.60
  5. Step 5: Solve for x
    x = 42,167,411.60/7,455.47
  6. Step 6: Final answer
    x = 5,655.91

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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.