Home / 3,055.17-4,216.08-1,728.93

Finding the Fourth Proportional to 3,055.17, 4,216.08 and 1,728.93

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Solution

The fourth proportional to 3,055.17, 4,216.08 and 1,728.93 is: 2,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.17 : 4,216.08 = 1,728.93 : x
  2. Step 2: Convert to fraction form
    3,055.17/4,216.08 = 1,728.93/x
  3. Step 3: Cross multiply
    3,055.17x = 4,216.08 × 1,728.93
  4. Step 4: Simplify right side
    3,055.17x = 7,289,307.19
  5. Step 5: Solve for x
    x = 7,289,307.19/3,055.17
  6. Step 6: Final answer
    x = 2,385.89

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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.