Home / 2,341.02-3,509.10-1,107.51

Finding the Fourth Proportional to 2,341.02, 3,509.10 and 1,107.51

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Solution

The fourth proportional to 2,341.02, 3,509.10 and 1,107.51 is: 1,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.02 : 3,509.10 = 1,107.51 : x
  2. Step 2: Convert to fraction form
    2,341.02/3,509.10 = 1,107.51/x
  3. Step 3: Cross multiply
    2,341.02x = 3,509.10 × 1,107.51
  4. Step 4: Simplify right side
    2,341.02x = 3,886,363.34
  5. Step 5: Solve for x
    x = 3,886,363.34/2,341.02
  6. Step 6: Final answer
    x = 1,660.12

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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.