Home / 2,938.02-4,047.66-2,052.42

Finding the Fourth Proportional to 2,938.02, 4,047.66 and 2,052.42

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Solution

The fourth proportional to 2,938.02, 4,047.66 and 2,052.42 is: 2,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.02 : 4,047.66 = 2,052.42 : x
  2. Step 2: Convert to fraction form
    2,938.02/4,047.66 = 2,052.42/x
  3. Step 3: Cross multiply
    2,938.02x = 4,047.66 × 2,052.42
  4. Step 4: Simplify right side
    2,938.02x = 8,307,498.34
  5. Step 5: Solve for x
    x = 8,307,498.34/2,938.02
  6. Step 6: Final answer
    x = 2,827.58

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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.