Home / 3,715.04-5,127.50-2,223.84

Finding the Fourth Proportional to 3,715.04, 5,127.50 and 2,223.84

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Solution

The fourth proportional to 3,715.04, 5,127.50 and 2,223.84 is: 3,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.04 : 5,127.50 = 2,223.84 : x
  2. Step 2: Convert to fraction form
    3,715.04/5,127.50 = 2,223.84/x
  3. Step 3: Cross multiply
    3,715.04x = 5,127.50 × 2,223.84
  4. Step 4: Simplify right side
    3,715.04x = 11,402,739.60
  5. Step 5: Solve for x
    x = 11,402,739.60/3,715.04
  6. Step 6: Final answer
    x = 3,069.35

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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.