Home / 5,312.95-7,331.76-2,955.04

Finding the Fourth Proportional to 5,312.95, 7,331.76 and 2,955.04

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Solution

The fourth proportional to 5,312.95, 7,331.76 and 2,955.04 is: 4,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.95 : 7,331.76 = 2,955.04 : x
  2. Step 2: Convert to fraction form
    5,312.95/7,331.76 = 2,955.04/x
  3. Step 3: Cross multiply
    5,312.95x = 7,331.76 × 2,955.04
  4. Step 4: Simplify right side
    5,312.95x = 21,665,607.41
  5. Step 5: Solve for x
    x = 21,665,607.41/5,312.95
  6. Step 6: Final answer
    x = 4,077.89

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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.