Home / 5,506.02-7,587.80-3,931.38

Finding the Fourth Proportional to 5,506.02, 7,587.80 and 3,931.38

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Solution

The fourth proportional to 5,506.02, 7,587.80 and 3,931.38 is: 5,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.02 : 7,587.80 = 3,931.38 : x
  2. Step 2: Convert to fraction form
    5,506.02/7,587.80 = 3,931.38/x
  3. Step 3: Cross multiply
    5,506.02x = 7,587.80 × 3,931.38
  4. Step 4: Simplify right side
    5,506.02x = 29,830,525.16
  5. Step 5: Solve for x
    x = 29,830,525.16/5,506.02
  6. Step 6: Final answer
    x = 5,417.80

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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.