Home / 4,719.48-7,076.40-2,085.66

Finding the Fourth Proportional to 4,719.48, 7,076.40 and 2,085.66

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Solution

The fourth proportional to 4,719.48, 7,076.40 and 2,085.66 is: 3,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.48 : 7,076.40 = 2,085.66 : x
  2. Step 2: Convert to fraction form
    4,719.48/7,076.40 = 2,085.66/x
  3. Step 3: Cross multiply
    4,719.48x = 7,076.40 × 2,085.66
  4. Step 4: Simplify right side
    4,719.48x = 14,758,964.42
  5. Step 5: Solve for x
    x = 14,758,964.42/4,719.48
  6. Step 6: Final answer
    x = 3,127.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.