Home / 5,312.94-7,331.76-2,955.06

Finding the Fourth Proportional to 5,312.94, 7,331.76 and 2,955.06

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Solution

The fourth proportional to 5,312.94, 7,331.76 and 2,955.06 is: 4,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.94 : 7,331.76 = 2,955.06 : x
  2. Step 2: Convert to fraction form
    5,312.94/7,331.76 = 2,955.06/x
  3. Step 3: Cross multiply
    5,312.94x = 7,331.76 × 2,955.06
  4. Step 4: Simplify right side
    5,312.94x = 21,665,790.71
  5. Step 5: Solve for x
    x = 21,665,790.71/5,312.94
  6. Step 6: Final answer
    x = 4,077.93

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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.