Home / 7,320.61-10,099.65-4,335.76

Finding the Fourth Proportional to 7,320.61, 10,099.65 and 4,335.76

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Solution

The fourth proportional to 7,320.61, 10,099.65 and 4,335.76 is: 5,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.61 : 10,099.65 = 4,335.76 : x
  2. Step 2: Convert to fraction form
    7,320.61/10,099.65 = 4,335.76/x
  3. Step 3: Cross multiply
    7,320.61x = 10,099.65 × 4,335.76
  4. Step 4: Simplify right side
    7,320.61x = 43,789,658.48
  5. Step 5: Solve for x
    x = 43,789,658.48/7,320.61
  6. Step 6: Final answer
    x = 5,981.70

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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.