Home / 5,448.70-7,523.43-4,187.76

Finding the Fourth Proportional to 5,448.70, 7,523.43 and 4,187.76

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Solution

The fourth proportional to 5,448.70, 7,523.43 and 4,187.76 is: 5,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.70 : 7,523.43 = 4,187.76 : x
  2. Step 2: Convert to fraction form
    5,448.70/7,523.43 = 4,187.76/x
  3. Step 3: Cross multiply
    5,448.70x = 7,523.43 × 4,187.76
  4. Step 4: Simplify right side
    5,448.70x = 31,506,319.22
  5. Step 5: Solve for x
    x = 31,506,319.22/5,448.70
  6. Step 6: Final answer
    x = 5,782.36

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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.