Home / 5,340.08-7,368.73-3,101.51

Finding the Fourth Proportional to 5,340.08, 7,368.73 and 3,101.51

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Solution

The fourth proportional to 5,340.08, 7,368.73 and 3,101.51 is: 4,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.08 : 7,368.73 = 3,101.51 : x
  2. Step 2: Convert to fraction form
    5,340.08/7,368.73 = 3,101.51/x
  3. Step 3: Cross multiply
    5,340.08x = 7,368.73 × 3,101.51
  4. Step 4: Simplify right side
    5,340.08x = 22,854,189.78
  5. Step 5: Solve for x
    x = 22,854,189.78/5,340.08
  6. Step 6: Final answer
    x = 4,279.75

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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.