Home / 1,041.02-1,559.46-693.32

Finding the Fourth Proportional to 1,041.02, 1,559.46 and 693.32

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Solution

The fourth proportional to 1,041.02, 1,559.46 and 693.32 is: 1,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.02 : 1,559.46 = 693.32 : x
  2. Step 2: Convert to fraction form
    1,041.02/1,559.46 = 693.32/x
  3. Step 3: Cross multiply
    1,041.02x = 1,559.46 × 693.32
  4. Step 4: Simplify right side
    1,041.02x = 1,081,204.81
  5. Step 5: Solve for x
    x = 1,081,204.81/1,041.02
  6. Step 6: Final answer
    x = 1,038.60

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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.