Home / 5,343.16-7,372.66-2,985.32

Finding the Fourth Proportional to 5,343.16, 7,372.66 and 2,985.32

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Solution

The fourth proportional to 5,343.16, 7,372.66 and 2,985.32 is: 4,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.16 : 7,372.66 = 2,985.32 : x
  2. Step 2: Convert to fraction form
    5,343.16/7,372.66 = 2,985.32/x
  3. Step 3: Cross multiply
    5,343.16x = 7,372.66 × 2,985.32
  4. Step 4: Simplify right side
    5,343.16x = 22,009,749.35
  5. Step 5: Solve for x
    x = 22,009,749.35/5,343.16
  6. Step 6: Final answer
    x = 4,119.24

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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.