Home / 7,497.86-10,346.54-4,140.68

Finding the Fourth Proportional to 7,497.86, 10,346.54 and 4,140.68

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Solution

The fourth proportional to 7,497.86, 10,346.54 and 4,140.68 is: 5,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.86 : 10,346.54 = 4,140.68 : x
  2. Step 2: Convert to fraction form
    7,497.86/10,346.54 = 4,140.68/x
  3. Step 3: Cross multiply
    7,497.86x = 10,346.54 × 4,140.68
  4. Step 4: Simplify right side
    7,497.86x = 42,841,638.81
  5. Step 5: Solve for x
    x = 42,841,638.81/7,497.86
  6. Step 6: Final answer
    x = 5,713.85

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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.