Home / 2,599.10-3,586.77-1,420.23

Finding the Fourth Proportional to 2,599.10, 3,586.77 and 1,420.23

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Solution

The fourth proportional to 2,599.10, 3,586.77 and 1,420.23 is: 1,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.10 : 3,586.77 = 1,420.23 : x
  2. Step 2: Convert to fraction form
    2,599.10/3,586.77 = 1,420.23/x
  3. Step 3: Cross multiply
    2,599.10x = 3,586.77 × 1,420.23
  4. Step 4: Simplify right side
    2,599.10x = 5,094,038.36
  5. Step 5: Solve for x
    x = 5,094,038.36/2,599.10
  6. Step 6: Final answer
    x = 1,959.93

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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.