Home / 5,274.50-7,278.18-2,916.32

Finding the Fourth Proportional to 5,274.50, 7,278.18 and 2,916.32

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Solution

The fourth proportional to 5,274.50, 7,278.18 and 2,916.32 is: 4,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.50 : 7,278.18 = 2,916.32 : x
  2. Step 2: Convert to fraction form
    5,274.50/7,278.18 = 2,916.32/x
  3. Step 3: Cross multiply
    5,274.50x = 7,278.18 × 2,916.32
  4. Step 4: Simplify right side
    5,274.50x = 21,225,501.90
  5. Step 5: Solve for x
    x = 21,225,501.90/5,274.50
  6. Step 6: Final answer
    x = 4,024.17

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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.