Home / 7,910.22-10,916.10-4,373.40

Finding the Fourth Proportional to 7,910.22, 10,916.10 and 4,373.40

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Solution

The fourth proportional to 7,910.22, 10,916.10 and 4,373.40 is: 6,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.22 : 10,916.10 = 4,373.40 : x
  2. Step 2: Convert to fraction form
    7,910.22/10,916.10 = 4,373.40/x
  3. Step 3: Cross multiply
    7,910.22x = 10,916.10 × 4,373.40
  4. Step 4: Simplify right side
    7,910.22x = 47,740,471.74
  5. Step 5: Solve for x
    x = 47,740,471.74/7,910.22
  6. Step 6: Final answer
    x = 6,035.29

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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.