Home / 1,730.04-2,385.09-1,435.74

Finding the Fourth Proportional to 1,730.04, 2,385.09 and 1,435.74

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Solution

The fourth proportional to 1,730.04, 2,385.09 and 1,435.74 is: 1,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.04 : 2,385.09 = 1,435.74 : x
  2. Step 2: Convert to fraction form
    1,730.04/2,385.09 = 1,435.74/x
  3. Step 3: Cross multiply
    1,730.04x = 2,385.09 × 1,435.74
  4. Step 4: Simplify right side
    1,730.04x = 3,424,369.12
  5. Step 5: Solve for x
    x = 3,424,369.12/1,730.04
  6. Step 6: Final answer
    x = 1,979.36

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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.