Home / 4,877.55-7,316.19-1,955.07

Finding the Fourth Proportional to 4,877.55, 7,316.19 and 1,955.07

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Solution

The fourth proportional to 4,877.55, 7,316.19 and 1,955.07 is: 2,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.55 : 7,316.19 = 1,955.07 : x
  2. Step 2: Convert to fraction form
    4,877.55/7,316.19 = 1,955.07/x
  3. Step 3: Cross multiply
    4,877.55x = 7,316.19 × 1,955.07
  4. Step 4: Simplify right side
    4,877.55x = 14,303,663.58
  5. Step 5: Solve for x
    x = 14,303,663.58/4,877.55
  6. Step 6: Final answer
    x = 2,932.55

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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.