Home / 2,925.63-4,034.75-1,877.49

Finding the Fourth Proportional to 2,925.63, 4,034.75 and 1,877.49

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Solution

The fourth proportional to 2,925.63, 4,034.75 and 1,877.49 is: 2,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.63 : 4,034.75 = 1,877.49 : x
  2. Step 2: Convert to fraction form
    2,925.63/4,034.75 = 1,877.49/x
  3. Step 3: Cross multiply
    2,925.63x = 4,034.75 × 1,877.49
  4. Step 4: Simplify right side
    2,925.63x = 7,575,193.39
  5. Step 5: Solve for x
    x = 7,575,193.39/2,925.63
  6. Step 6: Final answer
    x = 2,589.25

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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.