Home / 3,007.02-4,151.48-1,888.91

Finding the Fourth Proportional to 3,007.02, 4,151.48 and 1,888.91

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Solution

The fourth proportional to 3,007.02, 4,151.48 and 1,888.91 is: 2,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.02 : 4,151.48 = 1,888.91 : x
  2. Step 2: Convert to fraction form
    3,007.02/4,151.48 = 1,888.91/x
  3. Step 3: Cross multiply
    3,007.02x = 4,151.48 × 1,888.91
  4. Step 4: Simplify right side
    3,007.02x = 7,841,762.64
  5. Step 5: Solve for x
    x = 7,841,762.64/3,007.02
  6. Step 6: Final answer
    x = 2,607.82

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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.