Home / 3,307.54-4,564.40-1,815.46

Finding the Fourth Proportional to 3,307.54, 4,564.40 and 1,815.46

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Solution

The fourth proportional to 3,307.54, 4,564.40 and 1,815.46 is: 2,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.54 : 4,564.40 = 1,815.46 : x
  2. Step 2: Convert to fraction form
    3,307.54/4,564.40 = 1,815.46/x
  3. Step 3: Cross multiply
    3,307.54x = 4,564.40 × 1,815.46
  4. Step 4: Simplify right side
    3,307.54x = 8,286,501.02
  5. Step 5: Solve for x
    x = 8,286,501.02/3,307.54
  6. Step 6: Final answer
    x = 2,505.34

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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.