Home / 1,558.81-2,336.28-1,038.34

Finding the Fourth Proportional to 1,558.81, 2,336.28 and 1,038.34

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Solution

The fourth proportional to 1,558.81, 2,336.28 and 1,038.34 is: 1,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.81 : 2,336.28 = 1,038.34 : x
  2. Step 2: Convert to fraction form
    1,558.81/2,336.28 = 1,038.34/x
  3. Step 3: Cross multiply
    1,558.81x = 2,336.28 × 1,038.34
  4. Step 4: Simplify right side
    1,558.81x = 2,425,852.98
  5. Step 5: Solve for x
    x = 2,425,852.98/1,558.81
  6. Step 6: Final answer
    x = 1,556.22

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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.