Home / 3,587.02-4,950.55-2,015.11

Finding the Fourth Proportional to 3,587.02, 4,950.55 and 2,015.11

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Solution

The fourth proportional to 3,587.02, 4,950.55 and 2,015.11 is: 2,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.02 : 4,950.55 = 2,015.11 : x
  2. Step 2: Convert to fraction form
    3,587.02/4,950.55 = 2,015.11/x
  3. Step 3: Cross multiply
    3,587.02x = 4,950.55 × 2,015.11
  4. Step 4: Simplify right side
    3,587.02x = 9,975,885.40
  5. Step 5: Solve for x
    x = 9,975,885.40/3,587.02
  6. Step 6: Final answer
    x = 2,781.11

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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.