Home / 5,302.80-7,317.76-2,945.04

Finding the Fourth Proportional to 5,302.80, 7,317.76 and 2,945.04

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Solution

The fourth proportional to 5,302.80, 7,317.76 and 2,945.04 is: 4,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.80 : 7,317.76 = 2,945.04 : x
  2. Step 2: Convert to fraction form
    5,302.80/7,317.76 = 2,945.04/x
  3. Step 3: Cross multiply
    5,302.80x = 7,317.76 × 2,945.04
  4. Step 4: Simplify right side
    5,302.80x = 21,551,095.91
  5. Step 5: Solve for x
    x = 21,551,095.91/5,302.80
  6. Step 6: Final answer
    x = 4,064.10

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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.