Home / 5,298.62-7,312.02-2,940.76

Finding the Fourth Proportional to 5,298.62, 7,312.02 and 2,940.76

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Solution

The fourth proportional to 5,298.62, 7,312.02 and 2,940.76 is: 4,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.62 : 7,312.02 = 2,940.76 : x
  2. Step 2: Convert to fraction form
    5,298.62/7,312.02 = 2,940.76/x
  3. Step 3: Cross multiply
    5,298.62x = 7,312.02 × 2,940.76
  4. Step 4: Simplify right side
    5,298.62x = 21,502,869.46
  5. Step 5: Solve for x
    x = 21,502,869.46/5,298.62
  6. Step 6: Final answer
    x = 4,058.21

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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.