Home / 5,505.50-7,597.46-2,987.51

Finding the Fourth Proportional to 5,505.50, 7,597.46 and 2,987.51

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Solution

The fourth proportional to 5,505.50, 7,597.46 and 2,987.51 is: 4,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.50 : 7,597.46 = 2,987.51 : x
  2. Step 2: Convert to fraction form
    5,505.50/7,597.46 = 2,987.51/x
  3. Step 3: Cross multiply
    5,505.50x = 7,597.46 × 2,987.51
  4. Step 4: Simplify right side
    5,505.50x = 22,697,457.21
  5. Step 5: Solve for x
    x = 22,697,457.21/5,505.50
  6. Step 6: Final answer
    x = 4,122.69

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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.